Compatible with the HD HERO 2 and original HD HERO cameras, the GoPro Wi-Fi BacPac + Wi-Fi Remote Combo Kit allows you to control up to 50 cameras remotely. It also works with the GoPro app on your smartphone or tablet. The app allows you to control your GoPro with your smartphone or tablet. Plus, you'll be able to do live preview and playback of videos and photos from your GoPro to your tablet/smartphone. And, the app facilitates Wi-Fi transfer of footage from your GoPro to your mobile device. Even live streaming is possible if you can use your smartphone as a mobile hotspot.